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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2008 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: HL7FileWriter.html 21 2014-09-19 19:17:15Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.hl7.io;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.io.BufferedWriter;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.io.IOException;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.io.OutputStream;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.io.OutputStreamWriter;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.io.Writer;<a name="line.14"></a>
<span class="sourceLineNo">015</span><a name="line.15"></a>
<span class="sourceLineNo">016</span>import org.dellroad.hl7.HL7Message;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import org.dellroad.hl7.HL7Segment;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import org.dellroad.hl7.HL7Seps;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import org.dellroad.hl7.HL7Writer;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>/**<a name="line.21"></a>
<span class="sourceLineNo">022</span> * Writes out HL7 messages in "file format".<a name="line.22"></a>
<span class="sourceLineNo">023</span> *<a name="line.23"></a>
<span class="sourceLineNo">024</span> * &lt;p&gt;<a name="line.24"></a>
<span class="sourceLineNo">025</span> * Each segment is terminated with LF, and a blank line is added between messages.<a name="line.25"></a>
<span class="sourceLineNo">026</span> */<a name="line.26"></a>
<span class="sourceLineNo">027</span>public class HL7FileWriter implements HL7Writer {<a name="line.27"></a>
<span class="sourceLineNo">028</span><a name="line.28"></a>
<span class="sourceLineNo">029</span>    protected final BufferedWriter writer;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>    /**<a name="line.31"></a>
<span class="sourceLineNo">032</span>     * Constructor.<a name="line.32"></a>
<span class="sourceLineNo">033</span>     *<a name="line.33"></a>
<span class="sourceLineNo">034</span>     * @param out underlying writer<a name="line.34"></a>
<span class="sourceLineNo">035</span>     */<a name="line.35"></a>
<span class="sourceLineNo">036</span>    public HL7FileWriter(Writer out) {<a name="line.36"></a>
<span class="sourceLineNo">037</span>        if (out == null)<a name="line.37"></a>
<span class="sourceLineNo">038</span>            throw new IllegalArgumentException("null out");<a name="line.38"></a>
<span class="sourceLineNo">039</span>        this.writer = new BufferedWriter(out);<a name="line.39"></a>
<span class="sourceLineNo">040</span>    }<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span>    /**<a name="line.42"></a>
<span class="sourceLineNo">043</span>     * Convenience constructor. Equivalent to:<a name="line.43"></a>
<span class="sourceLineNo">044</span>     *  &lt;blockquote&gt;<a name="line.44"></a>
<span class="sourceLineNo">045</span>     *  &lt;code&gt;HL7FileWriter(new OutputStreamWriter(out))&lt;/code&gt;<a name="line.45"></a>
<span class="sourceLineNo">046</span>     *  &lt;/blockquote&gt;<a name="line.46"></a>
<span class="sourceLineNo">047</span>     *<a name="line.47"></a>
<span class="sourceLineNo">048</span>     * @param out underlying input stream<a name="line.48"></a>
<span class="sourceLineNo">049</span>     */<a name="line.49"></a>
<span class="sourceLineNo">050</span>    public HL7FileWriter(OutputStream out) {<a name="line.50"></a>
<span class="sourceLineNo">051</span>        this(new OutputStreamWriter(out));<a name="line.51"></a>
<span class="sourceLineNo">052</span>    }<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span>    /**<a name="line.54"></a>
<span class="sourceLineNo">055</span>     * Write the given message to the underlying output (and then flush it).<a name="line.55"></a>
<span class="sourceLineNo">056</span>     */<a name="line.56"></a>
<span class="sourceLineNo">057</span>    public void writeMessage(HL7Message message) throws IOException {<a name="line.57"></a>
<span class="sourceLineNo">058</span>        HL7Seps seps = message.getMSHSegment().getHL7Seps();<a name="line.58"></a>
<span class="sourceLineNo">059</span>        for (HL7Segment segment : message.getSegments()) {<a name="line.59"></a>
<span class="sourceLineNo">060</span>            this.writer.write(segment.toString(seps));<a name="line.60"></a>
<span class="sourceLineNo">061</span>            this.writer.write('\n');<a name="line.61"></a>
<span class="sourceLineNo">062</span>        }<a name="line.62"></a>
<span class="sourceLineNo">063</span>        this.writer.write('\n');<a name="line.63"></a>
<span class="sourceLineNo">064</span>        this.writer.flush();<a name="line.64"></a>
<span class="sourceLineNo">065</span>    }<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span>    /**<a name="line.67"></a>
<span class="sourceLineNo">068</span>     * Closes the underlying writer.<a name="line.68"></a>
<span class="sourceLineNo">069</span>     */<a name="line.69"></a>
<span class="sourceLineNo">070</span>    public void close() throws IOException {<a name="line.70"></a>
<span class="sourceLineNo">071</span>        this.writer.close();<a name="line.71"></a>
<span class="sourceLineNo">072</span>    }<a name="line.72"></a>
<span class="sourceLineNo">073</span>}<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>




























































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